Pioneer SX680 Stereo Receiver

The Pioneer SX680 is a classic and reliable stereo receiver from the golden age of hi-fi audio. With its iconic brushed aluminum faceplate, walnut wood side panels, and vintage look, the SX680 is not only a piece of audio history but also a high-performance receiver that delivers solid audio quality for any music enthusiast.

This Pioneer SX680 has been expertly serviced and restored by HQaudios, bringing it back to its original glory. After extensive testing and upgrades, it now provides modern reliability while retaining that classic, vintage sound signature. Whether you are an audiophile looking for a dependable vintage piece or a collector seeking a great addition to your setup, the SX680 is the perfect choice.

• Model: Pioneer SX680
• Type: Stereo Receiver
• Protection Plan: 1-Year Warranty Included
• Free Support: Must be used before requesting return
• SKU: 15JKE4563

Customer Service:

Once your item arrives, if you have questions about how your item functions or proper settings, please CONTACT US.

TRADE-IN PROGRAM

“If you have any vintage audios (receivers, speakers, cassette, reel to reel…) & want to upgrade with the serviced one, don’t hesitate to contact us for the best deal. You only need to pay for the difference between yours & mine….”

Note:

The actual color of the product may sometimes differ slightly from the photos due to lighting conditions, temperature, and the device used. Some angles in the photos may not fully reflect the product’s condition. Please read the description carefully and feel free to message us if you have any questions

SPECS

• Tuning range: FM, MW
• Power output: 30 watts per channel into 8Ω (stereo)
• Frequency response: 5Hz to 100kHz
• Total harmonic distortion: 0.1%
• Damping factor: 25
• Input sensitivity: 2.5mV (MM), 150mV (line)
• Signal to noise ratio: 75dB (MM), 90dB (line)
• Output: 150mV (line)
• Speaker load impedance: 4Ω (minimum)
• Dimensions: 17.13 x 5.69 x 12.36 inches
• Weight: 19.62 lbs

KEY FEATURES

• Power Output: 35 watts per channel at 8 ohms
• Tuning: Reliable AM/FM stereo tuning with signal strength meters
• Tone Controls: Bass, Treble, Balance, and Loudness for flexible sound adjustments
• Stereo/Mono Modes: Easy switching between stereo and mono modes for better listening experiences
• Design: Beautiful brushed aluminum faceplate and walnut wood side panels
• Connectivity: Multiple input options including Phono, AUX, and Tape Monitor
• Speakers: Dual speaker connections for flexible setups

REFURBISHED

This Pioneer SX680 has undergone a full restoration to restore both its sound performance and visual appeal. Every component has been carefully tested, cleaned, and upgraded, ensuring it delivers reliable performance for years to come.

Fully Serviced

• Brushed aluminum faceplate professionally cleaned and polished
• Knobs, switches, and pushbuttons cleaned and lubricated for smooth, noise-free operation
• Tone controls (Bass, Treble, Balance, Loudness) tested and calibrated to factory specifications
• Speaker terminals cleaned and retensioned for secure connections
• Headphone output tested for clear, balanced stereo output
• RCA inputs cleaned and retensioned for optimal signal integrity
• Internal chassis cleaned, dusted, and detailed

Electronic Restoration

• Capacitors replaced across the power supply, tone control, and power amplifier sections
• Power rails tested and regulated for stable output
• DC offset and bias recalibrated to factory specifications
• Transistors tested and replaced with low-noise equivalents
• Solder joints reflowed in heat-sensitive areas for long-term reliability

Signal Path & Connectivity

• RCA jacks and speaker terminals cleaned and secured
• Phono stage tested for correct gain and low-noise performance
• Headphone output verified for balanced, distortion-free sound
• All inputs (Phono, AUX, Tape Monitor) tested for accurate signal handling

Tuner Section

• FM/AM tuner aligned for optimal reception
• Signal strength and tuning meters calibrated for accuracy
• Dial and meter illumination restored for even brightness

Final Testing & Quality Control

• Extensive burn-in and real-world listening tests performed
• All functions (AM/FM, Tape Monitor, Phono) tested for full operational performance
• Channel balance, dynamics, and thermal stability verified for optimal performance

RESULT

The Pioneer SX680 now provides exceptional warmth and clarity with reliable operation. Despite some minor cosmetic imperfections, the receiver has been restored to its full functionality, offering years of high-quality sound. Its iconic vintage design and solid performance make it the perfect addition to any vintage audio collection or listening setup.

SUGGESTED PAIRINGS

• Speakers: JBL L100, Klipsch Heresy, Pioneer HPM-60
• Turntables: Technics SL-1200, Marantz 6100, Dual 1229
• Cassette Decks: Pioneer CT-F900, TEAC A-450, Akai GX-747

🎁 GET A $100 VOUCHER INSTANTLY WHEN YOU BUY A COMBO!

PACKAGING & SHIPPING

Secure Packaging:

• Nylon wrap and sealed inner carton

• Custom EPE foam corners to protect edges

• Double-wall outer box for shock resistance

• Plastic straps + handling labels to ensure safe transit

Shipping Details:

• Dispatch Time: Ships within 3 business days

• Carrier: UPS Ground (tracked & insured)

• Signature Required: Yes (as buyer’s request)

• Transit Time: Typically 3–7 business days (USA)

International Shipping:

We offer global delivery through the eBay International Shipping Program. eBay handles customs, duties, and tracking.

📦 Note: Packaging may vary slightly depending on unit size or model, but safety and protection are always our top priority.